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SERVICE MANUAL
For Technical Bulletins, Technical Tips, or other information regarding the
service of this model, visit the Toshiba America Consumer Products National
Service Division website at:
This model is classified as a
This Service Manual describes replacement parts for the green product. When repairing this
green product, use the part(s) described in this manual and
For (*1) and (*2), refer to
SOLDER.
© TOSHIBA CORPORATION 2009
LCD Color Television
40RV52U
www7.toshiba.com
green product
(*1), as indicated by the underlined serial number.
GREEN PRODUCT PROCUREMENT
Rev.1
lead-free solder
(*2).
and
LEAD-FREE
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Summary of Contents for Toshiba 40RV52U
- Page 1 SERVICE MANUAL LCD Color Television 40RV52U Rev.1 For Technical Bulletins, Technical Tips, or other information regarding the service of this model, visit the Toshiba America Consumer Products National Service Division website at: www7.toshiba.com This model is classified as a green product (*1), as indicated by the underlined serial number.
- Page 2 EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Toshiba shall not be liable for any damages, losses, expenses or costs, if any, incurred in connection with or as a result of use of any information or data provided herein.
- Page 3 that have these same characteristics. Use only the specified parts when the mark is indicated in the circuit diagram or parts list. Part mounting and wire routing should be the same as that used originally. For safety purposes, insulating materials such as isolation tubes or tape are sometimes used and printed circuit boards are sometimes mounted floating.
- Page 4 fluid should contact the skin or clothing, wipe off with alcohol, etc., and rinse thoroughly with water. If the fluid should enter the eyes, immediately rinse the eyes thoroughly with running water. When attaching the LCD module to the LCD cover, position it appropriately and fasten at the position where the display can be viewed most conveniently.
- Page 5 CMOS-LSI circuitry is used in the LCD module, so avoid damage due to static electricity. When handling the module, use a wrist ground or anchor ground. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for extended periods. Do not store the LCD module below the temperature conditions described in the specifications.
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Page 6: Power Board
Panel T-Com Power Board P802 CN11 CN10 Inverter Board Main Board KEY_IO/B Speaker Speaker LOGO IR/B... - Page 7 Display T-Con Power PCB P803 to Inverter P802 P801 AC In CN5 LVDS CN11 CN10 Main PCB Cable to Side (Front) AV...
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Page 8: Power Supply
Power Supply Wiring 5. 24V< 6. Gnd 6. Gnd 7. Gnd Interconnect 7. Gnd 8. 12V< 8. Gnd 40RV52U/ 9. 12V(Panel Pwr.)< 9. Gnd 10. 5V<** 10. Gnd ** Indicates Standby 40RV525U/ 11. 5V<** 11. NC AC In 12. 5V<** 12. - Page 9 Main Board Power board Panel module Keypad CN12 Keypad-8P KEY -8P LVDS -2x15P LG PI_LTA400HA07 PWR_KEY PWR_KEY PANEL-FI-E51S LVDS_PWR Power LVDS_D4E_P Power VOL+ VOL+ LVDS_PWR Power VOL- VOL- LVDS_D4E_N Power Menu Menu LVDS_PWR Power supply - 16P Power supply -16P Inverter -14P Inverter -14P Power...
- Page 11 Dead Set No Sound/ No Picture 5 VDC present at pins 10, 11, and 12 of P802 on the power supply module when AC is applied? Does a 4.3 volt on off signal appear at pin Suspect a problem with 13 of P802 when the the standby 5 volt supply on/off button is...
- Page 12 Check for LVDS activity at power supply CN5. If it is present suspect a module. display is replaced in warranty – Go problem with the display timing control board (Tcon). If it is not to www7.toshiba.com for instructions. present replace the main PCB.
- Page 13 P802 and 12 VDC Replace the present at pins 2, 4, 6, and Main module. 8 of CN5 soon (.5 sec) after the unit is turned on? *** Warranty Authorization required if display is replaced in warranty – Go to www7.toshiba.com for instructions.
- Page 14 No Audio Using the remote or the manual keyboard, access the audio menu to assure the speakers are on and the input selection is a known good source. Will this restore audio? Problem solved. Does the power supply generate the audio supply voltages (24 VDC at pins 3 and 4 of P802) when the unit is...
- Page 15 It is designated as “Service” and is located between the HDMI and PC audio input jacks. Visit the Toshiba website at www7.toshiba.com for the latest update information. #2 - Firmware Update - USB Port...
- Page 16 ...
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Page 17: Replacement Parts List
Replacement Parts List Location Part No. Description E100 75013363 BEZEL ASSY, TX401A PCABS 94V0, 39C01A51L13 E110 75013357 BACK COVER ASSY, TX4012 MBK97 HI-PS, 39C01A51L08 E120 75012786 STAND ASSY, 37AV502U, 39C02051L15 E140 75013153 KEY PLATE, 39C02051L17 E200 75013349 PC BOARD ASSY, MAIN , VTV-L4007 STX40T A, 39C01A51L01 E250 75013355 POWER MODULE, (STX40T) FSP245-4F01 5/12/2, 39C01A51L09 E260... - Page 18 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...